package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 * 使用当前类维护数据库的连接
 */

public class DBUtil {
    //放在静态代码块里面保证项目运行后只加载一次
    static {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            System.out.println("加载驱动失败");
        }
    }

    public static Connection getConnection() throws SQLException {
        return DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );

    }

}
